diff options
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 2c14801d0aa3..6da94deb957f 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1393,17 +1393,26 @@ struct super_block { struct sb_writers s_writers; + /* + * Keep s_fs_info, s_time_gran, s_fsnotify_mask, and + * s_fsnotify_marks together for cache efficiency. They are frequently + * accessed and rarely modified. + */ + void *s_fs_info; /* Filesystem private info */ + + /* Granularity of c/m/atime in ns (cannot be worse than a second) */ + u32 s_time_gran; +#ifdef CONFIG_FSNOTIFY + __u32 s_fsnotify_mask; + struct fsnotify_mark_connector __rcu *s_fsnotify_marks; +#endif + char s_id[32]; /* Informational name */ uuid_t s_uuid; /* UUID */ - void *s_fs_info; /* Filesystem private info */ unsigned int s_max_links; fmode_t s_mode; - /* Granularity of c/m/atime in ns. - Cannot be worse than a second */ - u32 s_time_gran; - /* * The next field is for VFS *only*. No filesystems have any business * even looking at it. You had been warned. @@ -1464,11 +1473,6 @@ struct super_block { spinlock_t s_inode_wblist_lock; struct list_head s_inodes_wb; /* writeback inodes */ - -#ifdef CONFIG_FSNOTIFY - __u32 s_fsnotify_mask; - struct fsnotify_mark_connector __rcu *s_fsnotify_marks; -#endif } __randomize_layout; /* Helper functions so that in most cases filesystems will |